Era
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1945-1960
2
1945-1970
1
1945-1989
6
1945-1990
2
1945-1991
2
1946-
3
1946-1975
1
1946-1986
1
1947-
2
1949-
1
1953-1961
3
1955-
1
1960-
8
1961-1975
1
1967-1993
1
1973-1986
1
1973-1993
1
1977-1981
1
1979-1997
2
1980-
1
1981-
1
1981-1989
1
1985-
2
1988-
1
1989-
5
1990-
1
1993-2001
3
19th century
44
2000 - 2099
2
2000-2099
7
2001-
1
2001-2009
1
2002-
2
2009-2017
2
20th century
81
21st century
20
30 - 600
1
30-600
3
306-337
2
331-363
1
631?-686
2
645-794
2
British occupation, 1765-1947
4
Charles I, 1625-1649
3
Civil War, 1642-1649
4
Civil War, 1861-1865
3
Civil War, 1975-1990
1
Colonial period, ca. 1600-1775
3
Commonwealth and Protectorate, 1649-1660
3
Constantine I, the Great, 306-337
3
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